ignition RENAULT KANGOO 1997 KC / 1.G Foult Finding - Injection Repair Manual

Connect the bornier in place of the computer and check the insulation and continuity of the line:
Computer 42 B Canister bleed valve
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Turn the engine, switch the ignition on and erase the computer memory using
G0**. Try to start the engine. Switch the ignition on, then deal with the other
faults. Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 14 RH side illuminatedFiche n° 27 side 1/2
CANISTER BLEED CIRCUIT
XR25 aid:CO, CC- or CC+ line 42 of the computer

14
If BG 14RH is flashing, erase the computer memory using G0**. Start the engine. If
BG 14RH becomes permanently illuminated when the engine is running, deal with
this fault.
NOTES
Check the resistance of the canister bleed valve.
Replace the valve if necessary.
Check, ignition on and during the timed phase, for 12 V on track A of the canister bleed.
Repair if necessary.
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
17-26

JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 15 LH side illuminatedFiche n° 27 side 1/2
COMPUTER AC CONNECTION CIRCUIT
XR25 aid:CC + 12 V line 51 on the computer

15
Connect the bornier in place of the computer and check the insulation and continuity of line 51 on the
computer.
Repair if necessary.
Check that the vehicle has air conditioning and if it is not fitted with air
conditioning, deal with the other bargraphs first.
Engine running, select the air conditioning function.
NOTES
If the fault persists, refer to the air conditioning fault finding.
17-27

JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 15 RH side illuminated or flashingFiche n° 27 side 1/2
EGR CIRCUIT
XR25 aid:None

15
NoneNOTES
Ignore the illumination of this bargraph as the vehicle is not fitted with EGR.
17-28

Connect the bornier in place of the computer and check the insulation and continuity of the line :
Computer 29 3 Coil 2-3
Computer 28 3 Coil 1-4
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Turn the engine, switch the ignition on and erase the computer memory using
G0**. Try to start the engine. Switch the ignition on, then deal with the other
faults. Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 16 LH side illuminatedFiche n° 27 side 1/2
COMPUTER MPA CONNECTION CIRCUIT
XR25 aid:*16 = XX.CO=> CO line 28 or 29 on the computer
*16 = XX.CC=> CC+ or CC- line 28 or 29 on the computer

16
XX = 14 => Cylinder 1 or 4 line 28 on the computer
XX = 23 =
> Cylinder 2 or 3 line 29 on the computer
NOTE : If there is an open circuit, it is possible for *16 = XX.CC instead of *16 =
XX.CO.
NOTES
Check the resistance of the faulty coil.
Replace the coil if necessary.
Check the + after ignition feed to the coil concerned on track 2.
Repair if necessary.
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
Check the hygiene of the anti-interference condenser on track 1 of the coil.
17-29

JF5111.0
INJECTION
Fault finding - Status and parameter checks
17
E7J 780
engine
Engine stopped, ignition on.NOTES
Order of
operationsFunction to be
checkedAction Bargraph Display and notes Fault finding
1Dialogue
with XR25D13
(selector on
S8)Fault test

9.NJ
Use fiche 27
Code present
Deal with
fault
bargraph
2Change to
status testG01*
10.NJ
Status testNone
3Battery
voltage# 0411.8 < X < 13.2 V
DIAG 1
4Computer
configurationComputer configured to
manual gearbox
Computer configured to
automatic transmissionSee Fiche
"Reminder C"
to configure
vehicle
5Immobiliser Ignition onThis status bargraph must
be extinguished when
the ignition is on to
indicate that the
immobiliser is not active.
DIAG 12
1
19
19
1
1
3
17-30

JF5111.0
INJECTION
Fault finding - Status and parameter checks
17
E7J 780
engine
Engine stopped, ignition on.NOTES
Order of
operationsFunction to be
checkedAction Bargraph Display and notes Fault finding
6Throttle
position
potentiometer
.No load
# 17
Accelerator
pedal
slightly
depressed
Full load
# 1716 < X < 50
185 < X < 243
DIAG 2
7Pressure sensor
# 01X =Atmospheric pressureDIAG 9
8Coolant
temperature
sensor# 02X = Engine temperature
± 5 °CDIAG 3
9Air
temperature
sensor# 03X = Temperature under
bonnet ± 5 °CDIAG 4
10 Fan assemblyG17*Fan must operateDIAG 17
11Fault warning
lightSwitch
ignition onFault warning light must
illuminate then
extinguishDIAG 19
2
2
2
17-31

JF5111.0
INJECTION
Fault finding - Status and parameter checks
17
E7J 780
engine
Carry out the actions below if the engine does not start.
Otherwise, refer to the following pages.NOTES
Order of
operationsFunction to be
checkedAction Bargraph Display and notes Fault finding
1Flywheel signal
sensor StarterIlluminated if TDC
information is detected
DIAG 5
2Fuel pump
G10*Fuel pump should be
heard to operateDIAG 6
3 IgnitionConnect
Optima
StationStarting test.
Complete guide on
Optima StationUse Optima
5800 Station
4Fuel pressureConnect
pressure
gauge to
fuel inlet
and activate
starter
motorPressure gauge must
show
2.5 bars Fuel pressure,
see Workshop
Repair
Manual or
section
5Injector
commandStarterFuel must come out of
the injector
DIAG 11
6Engine
compressionConnect
Optima
StationComplete guide on
Optima StationUse Optima
5800 Station
7 FlywheelConnect
Optima
StationOscilloscope.
Complete guide on
Optima StationUse Optima
5800 Station
3
17-32

JF5111.0
INJECTION
Fault finding - Status and parameter interpretation17
E7J 780
engine
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 1
Fiche n° 27
BATTERY VOLTAGE
XR25 aid:Battery voltage, ignition on, Minimum < # 04 < Maximum
Battery voltage, idle speed, Minimum < # 04 < Maximum
No fault bargraphs should be illuminated.
No consumersNOTES
If # 04 < Minimum, the battery is discharged:
Check the charging circuit to determine the cause of this fault.
Ignition on
If # 04 > Maximum, the battery may be overcharged:
Check the charging voltage is correct with and without consumers.
If # 04 < Minimum, the charging voltage is too low:
Check the charging circuit to determine the cause of this fault.
At idle speed
If # 04 > Maximum, the charging voltage is too high:
The alternator regulator is faulty. Repair this fault and check the electrolyte level in the battery.
NOTE:
The battery and the charging circuit may be checked using the OPTIMA 5800 station (measurement does
not require the battery to be disconnected, which retains the memories of the computers).
17-36

Check the insulation and continuity of the line:
Computer 19 2 Throttle potentiometer
Computer 45 1 Throttle potentiometer
Computer 46 3 Throttle potentiometer
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Status and parameter interpretation17
E7J 780
engine
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 2
THROTTLE POTENTIOMETERFiche n° 27
XR25 aid:# 17 outside tolerances
# 17 does not vary when throttle moves
Status BG 2LH or 2RH, incorrect illumination
No fault bargraphs should be illuminated.
Ignition on or engine running.NOTES
Status bargraph 2RH
incorrect illuminationNoneNOTES
If the fault is still present, replace the throttle potentiometer.
# 17 is fixedNoneNOTES
Check the resistance of the throttle potentiometer when the throttle butterfly is moved.
If the resistance varies, check the electrical lines of the sensor.
If the resistance does not vary, check that the sensor is connected mechanically to the throttle.
If necessary, replace the sensor.
# 17 outside tolerancesNoneNOTES
Check the upper and lower stops of the throttle butterfly.
Check the accelerator control (points of resistance and friction).
Repair.
17-37

Check the insulation, continuity and that there is no interference resistance
on the line:
Computer 45 C Pressure sensor
Computer 44 A Pressure sensor
Computer 16 B Pressure sensor
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Status and parameter interpretation17
E7J 780
engine
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 9
Fiche n° 27
PRESSURE CIRCUIT
XR25 aid:Ignition on # 01 not coherent
At idle speed # 01 < Minimum or # 01 > Maximum
# 16 not coherent
No fault bargraphs should be illuminated.NOTES
# 01 not coherent
ignition on
# 01 < Minimum at idle
speed
# 16 not coherent
If all these points are correct, replace the sensor.
A vacuum pump with a pressure gauge may be used to check coherence with
# 01 and to show a faulty sensor.
# 01 > Maximum at idle
speedThe manifold pressure is often a sign of incorrect engine operation. Check
- the sealing of the pipe between the manifold and the sensor,
- the valve clearances,
- the canister bleed valve which should be closed at idle speed,
- cylinder compression using the OPTIMA 5800 station.
If all these points are correct, replace the sensor.
A vacuum pump with a pressure gauge may be used to check coherence with
# 01 and to show a faulty sensor.
17-44